Home / 31,728.70-47,614.58-16,948.22

Finding the Fourth Proportional to 31,728.70, 47,614.58 and 16,948.22

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Solution

The fourth proportional to 31,728.70, 47,614.58 and 16,948.22 is: 25,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,728.70 : 47,614.58 = 16,948.22 : x
  2. Step 2: Convert to fraction form
    31,728.70/47,614.58 = 16,948.22/x
  3. Step 3: Cross multiply
    31,728.70x = 47,614.58 × 16,948.22
  4. Step 4: Simplify right side
    31,728.70x = 806,982,377.05
  5. Step 5: Solve for x
    x = 806,982,377.05/31,728.70
  6. Step 6: Final answer
    x = 25,433.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.